CVE-2026-21721 - Vulnerability Details - OpenCVE

The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00025.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://grafana.com/security/security-advisories/CVE-2026-21721

History

Tue, 27 Jan 2026 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 27 Jan 2026 09:15:00 +0000

Type	Values Removed	Values Added
Description		The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.
Title		Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation
References		https://grafana.com/security/security-advisories/CVE-2026-21721
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: GRAFANA

Published: 2026-01-27T09:07:55.160Z

Updated: 2026-01-27T15:27:05.915Z

Reserved: 2026-01-05T09:26:06.214Z

Link: CVE-2026-21721

Vulnrichment

Updated: 2026-01-27T15:26:51.354Z

NVD

Status : Awaiting Analysis

Published: 2026-01-27T09:15:48.640

Modified: 2026-01-27T14:59:34.073

Link: CVE-2026-21721

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

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